The Brain and Spinal Cord Are Protected and Cushioned by Three

question 38

Multiple Choice

The brain and spinal cord are protected and cushioned by three connective tissue membranes that are collectively called ________.

• A) ventricles
• B) arachnoid villi
• C) meninges
• D) sinuses

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Definitions:

Sample Size

The number of observations or data points collected in a study or experiment, critical for determining the study's statistical power and reliability.

Explanatory Variables

Variables in a statistical model that are believed to cause, or explain, changes in the response variable.

Unit Change

refers to a single increment change in the independent variable value, examining its effect on the dependent variable.

Average Change

The mean difference between values in a series of data points, representing the typical increase or decrease over time.